/Engine/Source/Runtime/RHICore/Public/RHICoreTransientResourceAllocator.h
Called to flush any active allocations prior to rendering.
virtual void Flush ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) & RHICmdList, [FRHITransientAllocationStats](API\Runtime\RHI\FRHITransientAllocationStats) * OutAllocationStats )